• Do not complain about image and video content that could be blacklisted. Simply add the corresponding tag to your blacklist. If you believe that a post is missing a valid tag, you should add the tag yourself.
• Do not make messages announcing that you have blacklisted a specific tag or certain kinds of content.

[Code of Conduct - Refusal to Use Blacklist]

Everyone who browses the website has the right, within realistic expectations, to not encounter sexualized comments that may make them uncomfortable.

• Do not create messages that share explicit details about sexual encounters, fantasies, fetishes, or actions.
• Do not create comments that exceed the post's rating.

You may find a few detailed examples here.
[Code of Conduct - Inappropriate Comments]